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avcodec/hevc_refs: Check nb_refs in add_candidate_ref()

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Fixes: runtime error: index 16 out of bounds for type 'int [16]'
Fixes: 2209/clusterfuzz-testcase-minimized-5012343912136704

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 1cb4ef526d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-06-15 01:26:01 +02:00
parent ea5603ff3a
commit 7c82082ac8
1 changed files with 1 additions and 1 deletions
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2
libavcodec/hevc_refs.c
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@ -438,7 +438,7 @@ static int add_candidate_ref(HEVCContext *s, RefPicList *list,
{
HEVCFrame *ref = find_ref_idx(s, poc);
if (ref == s->ref)
if (ref == s->ref || list->nb_refs >= MAX_REFS)
return AVERROR_INVALIDDATA;
if (!ref) {